Patents by Inventor Bokinakere S. Sundresh

Bokinakere S. Sundresh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8639280
    Abstract: A push-to-talk communication device including an operating answer mode indicates that operating answer mode to a Session Initiation Protocol/Internet Protocol based push-to-talk network server. The method includes employing as the operating answer mode of the push-to-talk communication device one of an automatic-answer mode, an always-automatic-answer mode and a manual-answer mode. A Session Initiation Protocol/Internet Protocol core network is employed including a Session Initiation Protocol/Internet Protocol push-to-talk network server. The operating answer mode is indicated in a Session Initiation Protocol message from the push-to-talk communication device to the Session Initiation Protocol/Internet Protocol push-to-talk network server over the Session Initiation Protocol/Internet Protocol core network.
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: January 28, 2014
    Assignee: BlackBerry Limited
    Inventors: Andrew M. Allen, Adrian Buckley, Bokinakere S. Sundresh
  • Patent number: 7280502
    Abstract: A push-to-talk communication device including an operating answer mode indicates that operating answer mode to a Session Initiation Protocol/Internet Protocol based push-to-talk network server. The method includes employing as the operating answer mode of the push-to-talk communication device one of an automatic-answer mode, an always-automatic-answer mode and a manual-answer mode. A Session Initiation Protocol/Internet Protocol core network is employed including a Session Initiation Protocol/Internet Protocol push-to-talk network server. The operating answer mode is indicated in a Session Initiation Protocol message from the push-to-talk communication device to the Session Initiation Protocol/Internet Protocol push-to-talk network server over the Session Initiation Protocol/Internet Protocol core network.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: October 9, 2007
    Assignee: Research In Motion Limited
    Inventors: Andrew M. Allen, Adrian Buckley, Bokinakere S. Sundresh